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'''Power usage effectiveness''' ('''PUE''') is a measure of how efficiently a computer [[data center]] uses energy; specifically, how much energy is used by the computing equipment (in contrast to cooling and other overhead). | |||
PUE is the ratio of total amount of energy used by a computer [[data center]] facility <ref>[http://searchdatacenter.techtarget.com/sDefinition/0,,sid80_gci1307933,00.html SearchDataCenter.com - power usage effectiveness (PUE)]</ref><ref>[[Digital Realty Trust]]- [http://www.digitalrealtytrust.com/pue-efficiency.aspx PUE Data Center Efficiency Metric]</ref><ref>[http://www.esmagazine.com/Articles/Feature_Article/BNP_GUID_9-5-2006_A_10000000000000160061 Engineered Systems - Optimizing Power Usage Effectiveness In Data Centers]</ref><ref>[http://www.thegreengrid.org/sitecore/content/Global/Content/white-papers/The-Green-Grid-Data-Center-Power-Efficiency-Metrics-PUE-and-DCiE.aspx The Green Grid - The Green Grid Data Center Power Efficiency Metrics: PUE and DCiE]</ref><ref>[[Google]] - Efficient Computing - [http://www.google.com/corporate/green/datacenters/measuring.html Data Center Efficiency Measurements]</ref><ref>[[Dell]] - [http://www.dell.com/downloads/global/power/ps1q08-20080185-Rad.pdf Best Practices for Increasing Data Center Energy Efficiency]</ref><ref>[[Cisco Systems]] - [http://www.cisco.com/en/US/prod/switches/ps5718/ps10195/white_paper_c11-514539.html Cisco Energywise]</ref> to the [[Electric energy|energy]] delivered to computing equipment. | |||
PUE was developed by a consortium called [[The Green Grid]]. PUE is the [[multiplicative inverse|inverse]] of [[data center infrastructure efficiency]] (DCIE). An ideal PUE is 1.0. Anything that isn't considered a computing device in a data center (i.e. lighting, cooling, etc.) falls into the category of facility energy consumption. | |||
:<math> \mathrm{PUE} = {\mbox{Total Facility Energy} \over \mbox{IT Equipment Energy}} </math> | |||
==See also== | |||
* [[Data center infrastructure efficiency]] | |||
* [[Performance per watt]] | |||
* [[Gpue|Green power usage effectiveness]] | |||
* [[Green computing]] | |||
* [[IT energy management]] | |||
==References== | |||
{{reflist}} | |||
[[Category:Computer benchmarks]] | |||
[[Category:Energy conservation]] | |||
[[Category:Electric power]] | |||
{{Electric-power-stub}} |
Revision as of 14:19, 4 September 2013
Power usage effectiveness (PUE) is a measure of how efficiently a computer data center uses energy; specifically, how much energy is used by the computing equipment (in contrast to cooling and other overhead).
PUE is the ratio of total amount of energy used by a computer data center facility [1][2][3][4][5][6][7] to the energy delivered to computing equipment.
PUE was developed by a consortium called The Green Grid. PUE is the inverse of data center infrastructure efficiency (DCIE). An ideal PUE is 1.0. Anything that isn't considered a computing device in a data center (i.e. lighting, cooling, etc.) falls into the category of facility energy consumption.
See also
- Data center infrastructure efficiency
- Performance per watt
- Green power usage effectiveness
- Green computing
- IT energy management
References
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- ↑ SearchDataCenter.com - power usage effectiveness (PUE)
- ↑ Digital Realty Trust- PUE Data Center Efficiency Metric
- ↑ Engineered Systems - Optimizing Power Usage Effectiveness In Data Centers
- ↑ The Green Grid - The Green Grid Data Center Power Efficiency Metrics: PUE and DCiE
- ↑ Google - Efficient Computing - Data Center Efficiency Measurements
- ↑ Dell - Best Practices for Increasing Data Center Energy Efficiency
- ↑ Cisco Systems - Cisco Energywise